The material is part of SND’s collection of the Swedish Gallup Institute surveys from 1942 to 1956. The Gallup Institute surveys provide a good overview of Swedish public opinion during the 1940’s and 1950’s. In total, the material consists of about 550 questionnaires and 500 reports, as well as related documentation.
More information about the Gallup Surveys and ability to search for studies and questions here: https://snd.gu.se/en/gallup/about-project
All Gallup material provided by SND is CC-BY.